Statement Of Cash Flows [Abstract]
| Concept |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2022-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
As at 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
2020-04-01 to 2021-03-31 |
As at 2020-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||
| Profit (loss) |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
35,768,000
GBP
|
–
GBP
|
35,768,000
GBP
|
— |
–
GBP
|
–
GBP
|
— |
–
GBP
|
39,601,000
GBP
|
39,601,000
GBP
|
–
GBP
|
–
GBP
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||||||||
| Adjustments for income tax expense | — | — | — | — | — | — |
10,225,000
GBP
|
— | — | — | — | — | — |
10,740,000
GBP
|
— | — | — |
| Adjustments for finance costs | — | — | — | — | — | — |
74,000
GBP
|
— | — | — | — | — | — |
78,000
GBP
|
— | — | — |
| Adjustments for provisions | — | — | — | — | — | — |
395,000
GBP
|
— | — | — | — | — | — |
793,000
GBP
|
— | — | — |
| Adjustments for share-based payments | — | — | — | — | — | — |
3,727,000
GBP
|
— | — | — | — | — | — |
4,513,000
GBP
|
— | — | — |
| Cash flows from (used in) operations | — | — | — | — | — | — |
51,752,000
GBP
|
— | — | — | — | — | — |
67,154,000
GBP
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — | — | — | — |
7,089,000
GBP
|
— | — | — | — | — | — |
7,213,000
GBP
|
— | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — |
44,663,000
GBP
|
— | — | — | — | — | — |
59,941,000
GBP
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — | — |
16,768,000
GBP
|
— | — | — | — | — | — |
–
GBP
|
— | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — | — | — | — |
5,819,000
GBP
|
— | — | — | — | — | — |
1,468,000
GBP
|
— | — | — |
| Interest received, classified as investing activities | — | — | — | — | — | — |
52,000
GBP
|
— | — | — | — | — | — |
84,000
GBP
|
— | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — |
4,581,000
GBP
|
— | — | — | — | — | — |
19,612,000
GBP
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||
| Proceeds from issuing shares | — | — | — | — | — | — |
2,301,000
GBP
|
— | — | — | — | — | — |
293,000
GBP
|
— | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — |
1,409,000
GBP
|
— | — | — | — | — | — |
1,763,000
GBP
|
— | — | — |
| Dividends paid, classified as financing activities | — | — | — | — | — | — |
27,419,000
GBP
|
— | — | — | — | — | — |
16,026,000
GBP
|
— | — | — |
| Interest paid, classified as financing activities | — | — | — | — | — | — |
74,000
GBP
|
— | — | — | — | — | — |
78,000
GBP
|
— | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — |
26,601,000
GBP
|
— | — | — | — | — | — |
17,574,000
GBP
|
— | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — | — | — |
13,481,000
GBP
|
— | — | — | — | — | — |
22,755,000
GBP
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — | — | — |
232,000
GBP
|
— | — | — | — | — | — |
644,000
GBP
|
— | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — |
76,609,000
GBP
|
— | — |
62,896,000
GBP
|
— | — | — | — | — |
40,785,000
GBP
|